Home / 472,667.22-709,307.55-282,984.66

Finding the Fourth Proportional to 472,667.22, 709,307.55 and 282,984.66

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Solution

The fourth proportional to 472,667.22, 709,307.55 and 282,984.66 is: 424,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,667.22 : 709,307.55 = 282,984.66 : x
  2. Step 2: Convert to fraction form
    472,667.22/709,307.55 = 282,984.66/x
  3. Step 3: Cross multiply
    472,667.22x = 709,307.55 × 282,984.66
  4. Step 4: Simplify right side
    472,667.22x = 200,723,155,872.18
  5. Step 5: Solve for x
    x = 200,723,155,872.18/472,667.22
  6. Step 6: Final answer
    x = 424,660.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.